Tsunami warnings in South Pacific, Australia and US west coast after Tonga eruption

Alaska, Hawaii and west coast brace as waves observed in Tonga, American Samoa and FijiTsunami warnings were issued for several South Pacific countries, the east coast of Australia, western Alaska and along the California-Mexico border, after the eruption of an underwater volcano on Saturday.Waves were observed in Tonga’s capital and the capital of American Samoa, a US-based tsunami monitor said. Tsunami waves reached Japan late on Saturday, and waves as high as three metres were possible,